Subversion Repositories shark

/*
 * Project: S.Ha.R.K.
 *
 * Coordinators:
 *   Giorgio Buttazzo    <giorgio@sssup.it>
 *   Paolo Gai           <pj@gandalf.sssup.it>
 *
 * Authors     :
 *   Paolo Gai           <pj@gandalf.sssup.it>
 *   Massimiliano Giorgi <massy@gandalf.sssup.it>
 *   Luca Abeni          <luca@gandalf.sssup.it>
 *   (see the web pages for full authors list)
 *
 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
 *
 * http://www.sssup.it
 * http://retis.sssup.it
 * http://shark.sssup.it
 */

/*
 * Copyright (C) 2000 Massimiliano Giorgi
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * CVS :        $Id: road.c,v 1.1.1.1 2004-05-24 18:03:44 giacomo Exp $
 */

#include <stdio.h>
#include <stdlib.h>
#include "types.h"
#include <trace.h>
#include "util.h"


/* this test prints the distribution of the HD seeks */

#define MAXX 1000
#define PREC 1000
#define DELTA ((double)MAXX/(double)PREC)

#include "distr.c"

int dumpusr(int event, trc_user_event_t *usr)
{
  static long last=-1;
  long d;
  if (event!=TRC_USER0) return 0;
  if (last!=-1) {
    d=abs(last-usr->n);
    d_insert(d);
  }
  last=usr->n;
  return 0;
}

int dumpfunc(trc_event_t *ev)
{
  if (event_class(ev->event)==TRC_CLASS_USER) dumpusr(ev->event,&ev->x.usr);
  return 0;
}

int main(int argc, char *argv[])
{
  FILE *fout;
  int res;  
  if (argc!=3) {
    fprintf(stderr,"missing filename!\n");
    return -1;
  }
  d_init();
  res=read_trace(argv[1],dumpfunc);
  if (res==0) {
    fout=fopen(argv[2],"wt");
    if (fout!=NULL) {
      d_dump(fout);
      fclose(fout);
    } else
      fprintf(stderr,"can't create output file!\n");
  } else
    fprintf(stderr,"read_trace error\n");
 
  return 0;
}